Enable the i2vgen pipeline

[yuanwu2017]

What does this PR do?

Fixes # (issue)

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• Did you make sure to update the documentation with your changes?
• Did you write any new necessary tests?

[yuanwu2017]

Command:
BF16
PT_HPU_MAX_COMPOUND_OP_SIZE=1 python image_to_video_generation.py --model_name_or_path "ali-vilab/i2vgen-xl" --image_path "https://huggingface.co/datasets/diffusers/docs-images/resolve/main/i2vgen_xl_images/img_0009.png" --num_videos_per_prompt 1 --video_save_dir ./i2vgen_xl --num_inference_steps 50 --use_habana --use_hpu_graphs --gaudi_config Habana/stable-diffusion --gif --num_frames 16 --prompts "Papers were floating in the air on a table in the libra ry" --negative_prompts "Distorted, discontinuous, Ugly, blurry, low resolution, motionless, static, disfigured, disconnected limbs, Ugly faces, incomplete arms" --seed 8888 --sdp_on_bf16 --bf16

Result:

FP32
PT_HPU_MAX_COMPOUND_OP_SIZE=1 python image_to_video_generation.py --model_name_or_path "ali-vilab/i2vgen-xl" --image_path "https://huggingface.co/datasets/diffusers/docs-images/resolve/main/i2vgen_xl_images/img_0009.png" --num_videos_per_prompt 1 --video_save_dir ./i2vgen_xl --num_inference_steps 50 --use_habana --use_hpu_graphs --gaudi_config Habana/stable-diffusion --gif --num_frames 16 --prompts "Papers were floating in the air on a table in the libra ry" --negative_prompts "Distorted, discontinuous, Ugly, blurry, low resolution, motionless, static, disfigured, disconnected limbs, Ugly faces, incomplete arms" --seed 8888

Result:

Because the file size limitation, I uploaded a video of num_frames=10.

[yuanwu2017]

Performance:
Gaudi2:

throughput=0.006999005392688631 sample/sec
A100:

throughtput=0.0025254897026770477 sample/sec

[yuanwu2017]

@libinta @regisss Please help to review.

[yuanwu2017]

pass ci tests

[yuanwu2017]

@regisss @IlyasMoutawwakil @libinta Please review.

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[yuanwu2017]

As @libinta mentioned, they are simplifying the README, Remove the commands in README.

[regisss]

Should we also add this new pipeline to the table in the README and doc?

[yuanwu2017]

Should we also add this new pipeline to the table in the README and doc?

Done

[regisss]

LGTM!